Base | Representation |
---|---|
bin | 101011111011… |
… | …0100010011001 |
3 | 1121100001002202 |
4 | 1113312202121 |
5 | 21343424123 |
6 | 2141335545 |
7 | 366515414 |
oct | 127664231 |
9 | 47301082 |
10 | 23029913 |
11 | 11aaa795 |
12 | 78675b5 |
13 | 4a0458a |
14 | 30b6b7b |
15 | 204da28 |
hex | 15f6899 |
23029913 has 2 divisors, whose sum is σ = 23029914. Its totient is φ = 23029912.
The previous prime is 23029889. The next prime is 23029921. The reversal of 23029913 is 31992032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12866569 + 10163344 = 3587^2 + 3188^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23029913 is a prime.
It is not a weakly prime, because it can be changed into another prime (23029943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11514956 + 11514957.
It is an arithmetic number, because the mean of its divisors is an integer number (11514957).
Almost surely, 223029913 is an apocalyptic number.
It is an amenable number.
23029913 is a deficient number, since it is larger than the sum of its proper divisors (1).
23029913 is an equidigital number, since it uses as much as digits as its factorization.
23029913 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2916, while the sum is 29.
The square root of 23029913 is about 4798.9491558048. The cubic root of 23029913 is about 284.5099323917.
The spelling of 23029913 in words is "twenty-three million, twenty-nine thousand, nine hundred thirteen".
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